EP0587026B1 - Adhesive applying device for a binding machine - Google Patents
Adhesive applying device for a binding machine Download PDFInfo
- Publication number
- EP0587026B1 EP0587026B1 EP93113930A EP93113930A EP0587026B1 EP 0587026 B1 EP0587026 B1 EP 0587026B1 EP 93113930 A EP93113930 A EP 93113930A EP 93113930 A EP93113930 A EP 93113930A EP 0587026 B1 EP0587026 B1 EP 0587026B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glue
- gluing
- gluing device
- coupling
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42C—BOOKBINDING
- B42C9/00—Applying glue or adhesive peculiar to bookbinding
- B42C9/0006—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets
- B42C9/0012—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets with a roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
Definitions
- the invention relates to a glue unit for perfect binding machines with a glue roller rotatably mounted in a glue basin, as is e.g. is known from DE-A-3 342 231.
- Adhesive binding based on cold glue has a number of considerable advantages over the known hot melt adhesive binding, particularly in the case of difficult paper qualities. In addition to many obvious advantages, however, it has the disadvantage that the adhesive cannot remain in the glue pool when the work is finished. Rather, the glue basins of cold glue binding machines have to be cleaned of adhesive residues after the end of work, which takes a certain amount of time, in particular because the glue basins have difficult-to-access places due to the glue rollers and squeegee devices located therein, which makes cleaning more difficult. Another problem is the sealing of rotating shafts of the glue rollers passing through the glue tank wall.
- the object of the present invention is to eliminate these sealing and other problems and to facilitate the cleaning of the glue pool.
- the contactless power supply to the glue roller achieved by means of the magnetic coupling makes it possible, at least on the drive side, to dispense with a shaft bearing with a corresponding seal.
- the wall of the glue tank is permeable to the magnetic field, and this field is chosen large enough to ensure that the glue roller is carried without slipping.
- the roller is mounted on one side to a device releasably connected to the basin, which can be easily removed from the basin for cleaning purposes.
- the roller can be mounted at its end facing away from the drive side in a holder which is supported by a frame which can be placed on the edge of the pool.
- the roller is not only stopped, but also separated from its drive in order to be removed and cleaned more easily.
- a disconnection of the drive can, as can be seen from claims 6 and 7, be carried out by means of a pull rod, but also by corresponding other equivalent drive means.
- the magnetized end face of the coupling half located on the inside in the glue pool is formed by the end face of the glue roller, that is to say that the inside coupling half is integrated into the roller.
- the invention is shown schematically, for example, in the drawing.
- the drive is a geared motor (3a), which drives a glue roller (8) via a magnetic coupling (4a) consisting of two halves.
- the two halves of the coupling are mounted with their multipole sector-shaped magnetized end face, each with an air gap (14) or (15) to each other.
- the glue roller (8) is supported on one side via the glue roller bearing (7) on a frame (6) which can be removed from the basin.
- a closed wall (16) of the glue basin (9) is located between the two halves of the magnetic coupling (4a).
- One driving half is integrated outside the glue basin, the other driven half is integrated in the glue basin in the glue roller.
- the two air gaps (14) and (15) are located between the two coupling halves (4a) and the glue pool wall (16), so that no sliding contact can occur.
- the squeegee (5) is also attached to the frame (6).
- the geared motor (3a) and the coupling half outside the glue tank (9) are axially displaceably supported on both sides by means of a guide sleeve (12) on a guide rod (13) of a holder (11).
- the drive and clutch are covered with a cover (2a).
- the cover is raised (position 2b).
- the geared motor (3a) moves into position (3b) and at the same time the clutch (4a) into position (4b) (dashed line).
- the two coupling halves are separated from each other to the extent that the magnetic force is reduced so much that torque transmission no longer takes place.
- the glue roller (8) stands still and can be undisturbed by the axial force otherwise acting between the two coupling halves by simply removing it the frame (6) or together with the glue basin (9) by removing the basin from the glue basin fixation (10) from the machine for the purpose of cleaning.
- the geared motor need not be switched off at all.
- the glue roller and glue pool - empty or refilled - are put back into the machine. If the cover is closed, the rotation of the glue roller starts again.
Landscapes
- Coating Apparatus (AREA)
Description
Die Erfindung betrifft ein Leimwerk für Klebebindemaschinen mit einer in einem Leimbecken drehbar gelagerten Leimwalze, wie es z.B. aus DE-A-3 342 231 bekannt ist.The invention relates to a glue unit for perfect binding machines with a glue roller rotatably mounted in a glue basin, as is e.g. is known from DE-A-3 342 231.
Die Klebebindung auf Kaltleimbasis hat gegenüber der bekannten Hotmelt-Klebebindung eine Reihe von erheblichen Vorzügen, insbesondere bei schwierigen Papierqualitäten. Neben vielen offensichtlichen Vorteilen besitzt sie jedoch den Nachteil, daß der Klebstoff bei Arbeitsbeendigung nicht im Leimbecken verbleiben kann. Die Leimbecken von Kaltleimklebebindemaschinen müssen vielmehr nach Arbeitsbeendigung von Klebstoffresten gereinigt werden, was eine gewisse Zeit in Anspruch nimmt, insbesondere weil die Leimbecken infolge der darin befindlichen Leimwalzen und Rakelvorrichtungen schwer zugängliche Stellen aufweisen, was die Reinigung erschwert. Ein weiteres Problem ist die Abdichtung von durch die Leimbeckenwandung hindurchgehenden rotierenden Wellen der Leimwalzen.Adhesive binding based on cold glue has a number of considerable advantages over the known hot melt adhesive binding, particularly in the case of difficult paper qualities. In addition to many obvious advantages, however, it has the disadvantage that the adhesive cannot remain in the glue pool when the work is finished. Rather, the glue basins of cold glue binding machines have to be cleaned of adhesive residues after the end of work, which takes a certain amount of time, in particular because the glue basins have difficult-to-access places due to the glue rollers and squeegee devices located therein, which makes cleaning more difficult. Another problem is the sealing of rotating shafts of the glue rollers passing through the glue tank wall.
Aufgabe der vorliegenden Erfindung ist diese Abdichtungs- und anderen Probleme zu beseitigen und die Reinigung des Leimbeckens zu erleichtern.The object of the present invention is to eliminate these sealing and other problems and to facilitate the cleaning of the glue pool.
Diese Aufgabe wird erfindungsgemäß gelöst durch ein Leimwerk mit den Merkmalen des Anspruches 1. Magnetkupplungen mit zwei magnetisierten Kupplungshälften, die über eine Zwischenwand ein Drehmoment übertragen, sind zwar schon seit langem bekannt. Neu ist jedoch ihr erfindungsgemäßer Einsatz zum Antrieb der Leimwalze einer Klebebindemaschine.This object is achieved according to the invention by a gluing unit with the features of claim 1. Magnetic couplings with two magnetized coupling halves that transmit torque via an intermediate wall have been known for a long time. What is new, however, is their use according to the invention for driving the glue roller of an adhesive binding machine.
Die mittels der Magnetkupplung erreichte kontaktlose Kraftzuführung zur Leimwalze ermöglicht, zumindest antriebsseitig, einen Verzicht auf eine Wellenlagerung mit einer entsprechenden Dichtung. Natürlich ist hierbei die Wand des Leimbeckens für das magnetische Feld durchlässig, und dieses Feld ist groß genug gewählt, um eine schlupffreie Mitnahme der Leimwalze zu erreichen.The contactless power supply to the glue roller achieved by means of the magnetic coupling makes it possible, at least on the drive side, to dispense with a shaft bearing with a corresponding seal. Of course, the wall of the glue tank is permeable to the magnetic field, and this field is chosen large enough to ensure that the glue roller is carried without slipping.
Die erfindungsgemäße kontaktlose Kraftzuführung zur Leimwalze erweist sich noch vorteilhafter, wenn gemäß Anspruch 2 die Walze einseitig an eine mit dem Becken lösbar verbundenen Einrichtung gelagert ist, die zu Reinigungszwecken leicht von dem Becken entfernbar ist. So kann die Walze beispielsweise an ihrem von der Antriebsseite abgewandten Ende in einer Halterung gelagert sein, die von einem auf den Beckenrand aufsetzbaren Rahmen getragen wird. Zur weiteren Erleichterung der Reinigung empfiehlt es sich, wie in Anspruch 3 angegeben, das Becken aus dem Leimwerk herausnehmbar auszubilden.The contactless power supply to the glue roller according to the invention proves to be even more advantageous if, according to claim 2, the roller is mounted on one side to a device releasably connected to the basin, which can be easily removed from the basin for cleaning purposes. For example, the roller can be mounted at its end facing away from the drive side in a holder which is supported by a frame which can be placed on the edge of the pool. To further facilitate cleaning, it is recommended, as stated in claim 3, to design the basin to be removable from the gluing unit.
Mit den Merkmalen gemäß Anspruch 4 oder 5 wird die Walze nicht nur stillgesetzt, sondern auch von ihrem Antrieb abgetrennt, um leichter herausgenommen und gereinigt zu werden. Die Betätigung einer solchen Abtrennung des Antriebs kann, wie aus den Ansprüchen 6 und 7 ersichtlich, mittels einer Zugstange, aber auch durch entsprechende andere äquivalente Antriebsmittel erfolgen.With the features according to
Im Rahmen der Erfindung empfiehlt es sich, insbesondere aus Platzgründen, daß die magnetisierte Stirnfläche der innenseitig im Leimbecken befindlichen Kupplungshälfte durch die Stirnfläche der Leimwalze gebildet ist, daß also die innenseitige Kupplungshälfte in die Walze integriert ist.In the context of the invention, it is recommended, in particular for reasons of space, that the magnetized end face of the coupling half located on the inside in the glue pool is formed by the end face of the glue roller, that is to say that the inside coupling half is integrated into the roller.
Die Erfindung ist in der Zeichnung beispielsweise und schematisch dargestellt. Als Antrieb dient ein Getriebemotor (3a), der über eine aus zwei Hälften bestehende Magnetkupplung (4a) eine Leimwalze (8) antreibt. Die zwei Hälften der Kupplung sind dabei mit ihrer mehrpolig sektorförmig magnetisierten Stirnseite mit jeweils einem Luftspalt (14) beziehungsweise (15) zueinander montiert. Die Leimwalze (8) ist einseitig über die Leimwalzenlagerung (7) an einem Rahmen (6) gelagert, der von dem Becken abnehmbar ist. Eine geschlossene Wand (16) des Leimbeckens (9) befindet sich zwischen den zwei Hälften der Magnetkupplung (4a). Die eine treibende Hälfte ist dabei außerhalb des Leimbeckens, die andere, angetriebene Hälfte im Leimbecken in der Leimwalze integriert. Zwischen den zwei Kupplungshälften (4a) und der Leimbeckenwand (16) befinden sich die zwei Luftspalte (14) und (15), damit keine schleifende Berührung entstehen kann. An dem Rahmen (6) ist auch die Rakel (5) befestigt.The invention is shown schematically, for example, in the drawing. The drive is a geared motor (3a), which drives a glue roller (8) via a magnetic coupling (4a) consisting of two halves. The two halves of the coupling are mounted with their multipole sector-shaped magnetized end face, each with an air gap (14) or (15) to each other. The glue roller (8) is supported on one side via the glue roller bearing (7) on a frame (6) which can be removed from the basin. A closed wall (16) of the glue basin (9) is located between the two halves of the magnetic coupling (4a). One driving half is integrated outside the glue basin, the other driven half is integrated in the glue basin in the glue roller. The two air gaps (14) and (15) are located between the two coupling halves (4a) and the glue pool wall (16), so that no sliding contact can occur. The squeegee (5) is also attached to the frame (6).
Der Getriebemotor (3a) und die außerhalb des Leimbeckens (9) liegende Kupplungshälfte sind auf beiden Seiten jeweils mittels einer Führungshülse (12) auf einer Führungsstange (13) einer Halterung (11) axial verschiebbar gelagert. Im Betrieb sind Antrieb und Kupplung mit einer Abdeckung (2a) verdeckt. Zur Entnahme der Leimwalze wird die Abdeckung angehoben (Stellung 2b). Über eine mit der Abdeckung gekoppelte Zugstange (1) betätigt, bewegt sich dabei der Getriebemotor (3a) in die Stellung (3b) und gleichzeitig die Kupplung (4a) in die Stellung (4b) (gestrichelte Darstellung). Dadurch werden die beiden Kupplungshälften soweit voneinander getrennt und damit die Magnetkraft so stark reduziert, daß keine Drehmomentübertragung mehr stattfindet. Die Leimwalze (8) steht still und kann ungestört durch die sonst zwischen den beiden Kupplungshälften wirkende Axialkraft allein durch Abnehmen des Rahmens (6) oder zusammen mit dem Leimbecken (9) durch Herauslösen des Beckens aus der Leimbeckenfixierung (10) aus der Maschine zum Zweck der Reinigung entnommen werden. Der Getriebemotor braucht hierbei überhaupt nicht abgeschaltet zu werden.The geared motor (3a) and the coupling half outside the glue tank (9) are axially displaceably supported on both sides by means of a guide sleeve (12) on a guide rod (13) of a holder (11). During operation, the drive and clutch are covered with a cover (2a). To remove the glue roller, the cover is raised (
Nach der Reinigung werden Leimwalze und Leimbecken - leer oder neu gefüllt - wieder in die Maschine eingesetzt. Wird die Abdeckung geschlossen, setzt die Rotation der Leimwalze wieder ein.After cleaning, the glue roller and glue pool - empty or refilled - are put back into the machine. If the cover is closed, the rotation of the glue roller starts again.
- 11
- Zugstangepull bar
- 2a2a
- Abdeckungcover
- 2b2 B
- Abdeckung geöffnetCover open
- 3a3a
- GetriebemotorGear motor
- 3b3b
- Getriebemotor bei geöffneter AbdeckungGear motor with cover open
- 4a4a
- MagnetkupplungshälfteMagnetic coupling half
- 4b4b
- Magnetkupplungshälfte bei geöffneter AbdeckungMagnetic coupling half with cover open
- 55
- Rakel bzw. AbstreiferSqueegee or scraper
- 66
- Rahmenframe
- 77
- LeimwalzenlagerungGlue roller storage
- 88th
- Leimwalze mit integrierter KupplungshälfteGlue roller with integrated coupling half
- 99
- LeimbeckenGlue pool
- 1010th
- Leimbecken-FixierungGlue basin fixation
- 1111
- Halterungbracket
- 1212th
- FührungshülseGuide sleeve
- 1313
- FührungsstangeGuide rod
- 1414
- LuftspaltAir gap
- 1515
- LuftspaltAir gap
- 1616
- BeckenwandPool wall
Claims (8)
- Gluing device for adhesive bonding machines with a gluing roller mounted rotatably in a glue tank, characterized in that the gluing roller (8) can be driven via a magnetic coupling consisting of two coupling halves (4a), wherein one of the coupling halves (4a) which oppose one another with their magnetized end faces is connected to a drive (3a) outside the glue tank (9) while forming an air gap (15) directly at the exterior of a wall (16) of the tank (9) and the other coupling half (4a) connected to the gluing roller (8) is arranged in axial alignment with the first half on the interior of the tank wall (16) also while forming an air gap (14) relative to this wall face.
- Gluing device according to Claim 1, characterized in that the gluing roller (8) is mounted at one end on an arrangement (6) detachably connected to the glue tank (9).
- Gluing device according to Claim 2, characterized in that the glue tank (9) is designed so as to be detachable from the machine.
- Gluing device according to Claim 1 or one of the following, characterized in that means are provided for attenuating or switching off the magnetic field between the coupling halves (4a).
- Gluing device according to Claim 1 or one of the following, characterized in that the external coupling half (4a) is mounted axially displaceably in a guide (12,13) together with the drive (3a) connected to it.
- Gluing device according to Claim 5, characterized in that the coupling half (4a) is axially displaceable via a connecting rod (1).
- Gluing device according to Claim 6, characterized in that the connecting rod (1) is coupled to a covering (2a) provided above the drive (3a) in such a way that the drive-side coupling half can be moved axially away from the other by pivoting up the covering.
- Gluing device according to Claim 1 or one of the following, characterized in that the magnetized end face of the coupling half (4a) located internally in the glue tank (9) is formed by the end face of the gluing roller (8).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9212100U DE9212100U1 (en) | 1992-09-08 | 1992-09-08 | Glue unit for perfect binding machines |
| DE9212100U | 1992-09-08 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0587026A2 EP0587026A2 (en) | 1994-03-16 |
| EP0587026A3 EP0587026A3 (en) | 1994-06-01 |
| EP0587026B1 true EP0587026B1 (en) | 1996-04-10 |
Family
ID=6883553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93113930A Expired - Lifetime EP0587026B1 (en) | 1992-09-08 | 1993-08-31 | Adhesive applying device for a binding machine |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0587026B1 (en) |
| DE (2) | DE9212100U1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59600505D1 (en) * | 1995-04-11 | 1998-10-08 | Grapha Holding Ag | DEVICE FOR APPLYING AN ADHESIVE TO A SUBJECT OBJECT |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1088340B (en) * | 1977-11-25 | 1985-06-10 | B Re Ma S N C | SAFETY DRIVE VEHICLE FOR A GLUING MACHINE |
| DE3209346A1 (en) * | 1982-03-15 | 1983-09-15 | Kirchner GmbH & Co Spezialmaschinen, 7081 Essingen | Book-binding device |
| DD213578A1 (en) * | 1983-01-19 | 1984-09-19 | Polygraph Leipzig | HOTMELT GLUE FACILITY CONTRACT |
-
1992
- 1992-09-08 DE DE9212100U patent/DE9212100U1/en not_active Expired - Lifetime
-
1993
- 1993-08-31 EP EP93113930A patent/EP0587026B1/en not_active Expired - Lifetime
- 1993-08-31 DE DE59302167T patent/DE59302167D1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0587026A3 (en) | 1994-06-01 |
| EP0587026A2 (en) | 1994-03-16 |
| DE59302167D1 (en) | 1996-05-15 |
| DE9212100U1 (en) | 1993-07-08 |
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